// Copyright (c) 2010 SuccessFactors, Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
//     * Redistributions of source code must retain the above
//       copyright notice, this list of conditions and the following
//       disclaimer.
//
//     * Redistributions in binary form must reproduce the above
//       copyright notice, this list of conditions and the following
//       disclaimer in the documentation and/or other materials
//       provided with the distribution.
//
//     * Neither the name of the SuccessFactors, Inc. nor the names of
//       its contributors may be used to endorse or promote products
//       derived from this software without specific prior written
//       permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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package org.owasp.jxt.tag.core;

import org.owasp.jxt.Attribute;
import org.owasp.jxt.TranslateContext;

/**
 * CoreCatchNode
 *
 * @author Jeffrey Ichnowski
 * @version $Revision: 8 $
 */
public final class CoreCatchNode extends AbstractCoreNode {
    private String _var;
    private String _type;

    CoreCatchNode() {
        super("catch");
    }

    @Attribute(required=true)
    public void setVar(String var) {
        _var = var;
    }

    @Attribute(required=true)
    public void setType(String type) {
        _type = type;
    }

    @Override
    public void translate(TranslateContext ctx) {
        String exName = ctx.generateVariableName("Excp");
        String type = _type == null ? "Throwable" : _type;

        ctx.codeln(type+" "+_var+";");
        ctx.codeln("try {");
        ctx.indent();
        translateChildren(ctx);
        ctx.codeln(_var+" = null;");
        ctx.outdent();
        ctx.codeln("} catch ("+type+" "+exName+") {");
        ctx.indent();
        ctx.codeln(_var+" = "+exName+";");
        ctx.outdent();
        ctx.codeln("}");
    }

} // CoreCatchNode
